client.go | 2 +-

diff --git a/client.go b/client.go
index 97b67d7c5faf104078f8104915d10d521d42fbea..d8b1706478db3e8f7b165008e5af16adb188cc5f 100644
--- a/client.go
+++ b/client.go
@@ -772,7 +772,7 @@ 	// failure.
 	cl.noLongerHalfOpen(t, addr.String())
 	if err != nil {
 		if cl.config.Debug {
-			cl.logger.Printf("error establishing outgoing connection to %v: %v", addr, err)
+			cl.logger.Levelf(log.Debug, "error establishing outgoing connection to %v: %v", addr, err)
 		}
 		return
 	}